CN213791619U

CN213791619U - Device for preventing flash of reaction kettle

Info

Publication number: CN213791619U
Application number: CN202022583312.3U
Authority: CN
Inventors: 查正兴; 杜项龙; 杜景峰
Original assignee: Gansu Hanju Pharmaceutical Co ltd
Current assignee: Gansu Hanju Pharmaceutical Co ltd
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-07-27
Anticipated expiration: 2030-11-10

Abstract

The utility model discloses a prevent device of reation kettle flash belongs to the fine chemical industry field. The device for preventing the overflowing of the reaction kettle comprises a reaction kettle, wherein a feed inlet and a discharge outlet are respectively formed in the upper side wall and the lower side wall of the reaction kettle, a hollow shaft is rotatably connected to the inner top of the reaction kettle, a rotating shaft is fixedly connected to the lower end of the hollow shaft, a stirring paddle is fixedly mounted on the side wall of the rotating shaft, a motor is fixedly mounted at the upper end of the reaction kettle, an output shaft of the motor is meshed with the hollow shaft through two gears, a storage tank is fixedly mounted at the upper end of the reaction kettle, a liquid adding pipe is arranged at the upper end of the storage tank, and a bubble absorbing mechanism is arranged between the hollow shaft and the storage tank; the utility model discloses well reation kettle can effectually eliminate the bubble in the use, has promoted reation kettle's security greatly.

Description

Device for preventing flash of reaction kettle

Technical Field

The utility model relates to a fine chemistry industry field especially relates to a device for preventing reation kettle flash.

Background

In the fine chemical reaction, most of the reactions are accompanied by heat release or gas generation in the process of proceeding, for example, when the Grignard reagent is prepared in the initiation stage, a large amount of violent heat release occurs in the initiation, and the initiation is relatively stable; sodium carbonate is adopted to neutralize an acidic reaction system, or acid is added to deaminate and Boc protection is carried out, so that a large amount of bubbles are generated; when the phosphorus oxychloride participates in the chlorination reaction, excessive phosphorus oxychloride is quenched by adding water, and sudden and violent heat release is also caused.

In the case of this type of reaction operation, the dropping speed is too high, and although some control can be made by controlling the dropping speed or lowering the reaction temperature, the occurrence of flash (kick-out) occasionally still inevitably occurs. At present, a reaction kettle is arranged in an operation workshop, most of devices for preventing material overflow are complex in structure and poor in effect in actual use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects in the prior art and providing a device for preventing flash of a reaction kettle.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

prevent device of reation kettle flash, including reation kettle, reation kettle's upper and lower lateral wall is equipped with feed inlet and discharge gate respectively, reation kettle's interior top is rotated and is connected with the hollow shaft, the lower extreme fixedly connected with pivot of hollow shaft, the lateral wall fixed mounting of pivot has the stirring rake, reation kettle's upper end fixed mounting has the motor, be connected through two gear engagement between the output shaft of motor and the hollow shaft, reation kettle's upper end fixed mounting has the storage jar, the upper end of storage jar is equipped with the liquid feeding pipe, be equipped with between hollow shaft and the storage jar and inhale bubble mechanism.

Preferably, inhale bubble mechanism and include the row's bubble pipe of fixed connection at the holding vessel lateral wall, the middle part fixed mounting who arranges the bubble pipe has the aspirator pump, it rotates through rotary joint to be connected between the input of arranging the bubble pipe and the upper end of hollow shaft, the horizontal pipe that two symmetries of lower extreme lateral wall fixedly connected with of hollow shaft set up, two the lower extreme of horizontal pipe all is equipped with a plurality of evenly distributed's the bubble mouth of inhaling, the lateral wall of storage jar is equipped with and arranges bubble pipe complex and sprays the mechanism.

Preferably, the spraying mechanism includes the water pump of fixed mounting at the storage tank outer wall, the pipette of water pump extends to the interior bottom of storage tank, the upper end of storage tank is rotated and is connected with the pipeline, rotate through rotary joint between the conveyer pipe of the upper end of pipeline and water pump and be connected, the lower extreme of pipeline extends to the interior fixedly connected with spray pipe of storage tank, the lower extreme fixed mounting of spray pipe has a plurality of evenly distributed's first nozzle.

Preferably, two second nozzles which are spirally distributed are fixedly connected to the side walls of the two ends of the spraying pipe.

Preferably, the outer wall of the two gears is sleeved with a protective cover.

Preferably, the lateral wall of the lower end of the storage tank is provided with a liquid discharge pipe, and the lateral wall of the liquid discharge pipe is fixedly provided with a valve.

Preferably, the side wall of the storage tank is provided with a transparent observation strip.

Compared with the prior art, the utility model provides a prevent device of reation kettle flash possesses following beneficial effect:

1. this prevent device of reation kettle flash, the aspirator pump breathes in through the hollow shaft to horizontal pipe, and horizontal pipe is through inhaling the foam of bubble mouth in with reation kettle and inhale horizontal intraductal, then from arranging the bubble pipe and discharging into the holding tank in, during the defoaming agent contact of bottom in bubble and the holding tank, the bubble then can be by elimination, can prevent the condition of the excessive flash of bubble in the reation kettle.

2. This prevent device of reation kettle flash, in the period of eliminating the bubble, the defoaming agent of water pump with the storage tank bottom through the pipette inhales in the conveyer pipe, then in the spray tube was carried from the conveyer pipe, on the bubble in the storage tank was spouted from first nozzle at last to promote the elimination efficiency of bubble.

Drawings

FIG. 1 is a schematic structural view of a device for preventing flash in a reaction kettle according to the present invention;

FIG. 2 is a schematic structural view of the part A in FIG. 1 of the apparatus for preventing flash in a reaction vessel according to the present invention;

fig. 3 is a schematic view of the structure of the spray pipe of the device for preventing the flash of the reaction kettle according to the present invention.

In the figure: 1. a reaction kettle; 2. a feed inlet; 3. a discharge port; 4. a hollow shaft; 5. a rotating shaft; 6. a stirring paddle; 7. a motor; 8. a gear; 9. storing the tank; 10. a liquid feeding pipe; 11. a liquid discharge pipe; 12. a bubble discharge pipe; 13. a getter pump; 14. a transverse tube; 15. a bubble suction nozzle; 16. a water pump; 17. a pipette; 18. a delivery pipe; 19. a pipeline; 20. a spray tube; 21. a first nozzle; 22. a transparent viewing strip; 23. a second nozzle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1-3, prevent device of reation kettle flash, including reation kettle 1, reation kettle 1's upper and lower lateral wall is equipped with feed inlet 2 and discharge gate 3 respectively, reation kettle 1's interior top rotates and is connected with hollow shaft 4, the lower extreme fixedly connected with pivot 5 of hollow shaft 4, the lateral wall fixed mounting of pivot 5 has stirring rake 6, reation kettle 1's upper end fixed mounting has motor 7, be connected through two gears 8 meshing between motor 7's the output shaft and the hollow shaft 4, when using, will pour into the defoaming agent in the storage jar 9, the liquid level height of defoaming agent is located the lower extreme of row bubble pipe 12, the liquid level height in reation kettle 1 is located the lower extreme of horizontal pipe 14, in operation, motor 7 drives hollow shaft 4 and pivot 5 through two gears 8 and rotates, pivot 5 drives stirring rake 6 and stirs the liquid in reation kettle 1.

The upper end of the reaction kettle 1 is fixedly provided with a storage tank 9, the upper end of the storage tank 9 is provided with a liquid feeding pipe 10, a bubble absorbing mechanism is arranged between the hollow shaft 4 and the storage tank 9 and comprises a bubble discharging pipe 12 fixedly connected with the side wall of the storage tank 9, the middle part of the bubble discharging pipe 12 is fixedly provided with an air suction pump 13, the input end of the bubble discharging pipe 12 is rotatably connected with the upper end of the hollow shaft 4 through a rotary joint, the side wall of the lower end of the hollow shaft 4 is fixedly connected with two symmetrically arranged transverse pipes 14, the lower ends of the two transverse pipes 14 are respectively provided with a plurality of bubble absorbing nozzles 15 which are uniformly distributed, the air suction pump 13 absorbs air into the transverse pipes 14 through the hollow shaft 4, the transverse pipes 14 absorb the foam in the reaction kettle 1 into the transverse pipes 14 through the bubble absorbing nozzles 15 and then discharge the foam into the storage tank 9 from the bubble discharging pipe 12, and when the foam is contacted with the defoaming agent at the bottom in the storage tank 9, the foam can be eliminated, the condition of flash caused by excessive bubbles in the reaction kettle 1 can be prevented.

The lateral wall of storage jar 9 is equipped with and arranges bubble pipe 12 complex spray mechanism, spray mechanism includes the water pump 16 of fixed mounting at storage jar 9 outer wall, the pipette 17 of water pump 16 extends to the interior bottom of storage jar 9, the upper end of storage jar 9 is rotated and is connected with pipeline 19, rotate through rotary joint between the upper end of pipeline 19 and the conveyer pipe 18 of water pump 16 and be connected, the lower extreme of pipeline 19 extends to fixedly connected with spray pipe 20 in the storage jar 9, the lower extreme fixed mounting of spray pipe 20 has a plurality of evenly distributed's first nozzle 21, in the period of eliminating the bubble, water pump 16 inhales the defoaming agent of storage jar 9 bottom to conveyer pipe 18 in through pipette 17, then carry in the spray pipe 20 from conveyer pipe 18, on the bubble in storage jar 9 is spouted from first nozzle 21 at last, thereby promote the elimination efficiency of bubble.

Two second nozzles 23 that the both ends lateral wall fixedly connected with spiral of spray tube 20 distributes, second nozzle 23 can drive spray tube 20 when spouting the defoaming agent and rotate to make first nozzle 21's the area of spraying wider.

The outer wall of the two gears 8 is sleeved with a protective cover.

The lower extreme lateral wall of storage jar 9 is equipped with fluid-discharge tube 11, and the lateral wall fixed mounting of fluid-discharge tube 11 has the valve, is convenient for discharge the defoaming agent in the storage jar 9.

The side wall of the storage tank 9 is provided with a transparent observation strip 22 for facilitating observation of the liquid level in the storage tank 9.

The working principle is as follows: in the utility model, when in use, the defoaming agent is infused into the storage tank 9, the liquid level of the defoaming agent is positioned at the lower end of the foam discharging pipe 12, the liquid level in the reaction kettle 1 is positioned at the lower end of the transverse pipe 14, in operation, the motor 7 drives the hollow shaft 4 and the rotating shaft 5 to rotate through the two gears 8, the rotating shaft 5 drives the stirring paddle 6 to stir the liquid in the reaction kettle 1, at the moment, the air suction pump 13 sucks the transverse pipe 14 through the hollow shaft 4, the transverse pipe 14 sucks the foam in the reaction kettle 1 into the transverse pipe 14 through the foam sucking nozzle 15, then the foam is discharged into the storage tank 9 from the foam discharging pipe 12, when the foam contacts with the defoaming agent at the bottom in the storage tank 9, the foam can be eliminated, the condition that the foam in the reaction kettle 1 is too much and the material overflow occurs can be prevented, and during the period, the water pump 16 sucks the foam at the bottom of the storage tank 9 into the conveying pipe 18 through the defoaming agent 17, then is delivered from the delivery pipe 18 into the spray pipe 20 and finally is ejected from the first nozzle 21 onto the air bubbles in the storage tank 9, thereby improving the efficiency of the elimination of the air bubbles.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. Device for preventing reation kettle flash, including reation kettle (1), its characterized in that, the upper and lower lateral wall of reation kettle (1) is equipped with feed inlet (2) and discharge gate (3) respectively, the interior top of reation kettle (1) is rotated and is connected with hollow shaft (4), lower extreme fixedly connected with pivot (5) of hollow shaft (4), the lateral wall fixed mounting of pivot (5) has stirring rake (6), the upper end fixed mounting of reation kettle (1) has motor (7), be connected through two gear (8) meshing between the output shaft of motor (7) and hollow shaft (4), the upper end fixed mounting of reation kettle (1) has storage jar (9), the upper end of storage jar (9) is equipped with liquid feeding pipe (10), be equipped with between hollow shaft (4) and storage jar (9) and inhale bubble mechanism.

2. The device for preventing reaction kettle overflow according to claim 1, wherein the bubble absorbing mechanism comprises a bubble discharging pipe (12) fixedly connected to the side wall of the storage tank (9), a getter pump (13) is fixedly installed in the middle of the bubble discharging pipe (12), the input end of the bubble discharging pipe (12) is rotatably connected with the upper end of the hollow shaft (4) through a rotary joint, two symmetrical transverse pipes (14) are fixedly connected to the side wall of the lower end of the hollow shaft (4), a plurality of bubble absorbing nozzles (15) are uniformly distributed at the lower ends of the transverse pipes (14), and a spraying mechanism matched with the bubble discharging pipe (12) is arranged on the side wall of the storage tank (9).

3. The device for preventing reaction kettle overflow according to claim 2, wherein the spraying mechanism comprises a water pump (16) fixedly installed on the outer wall of the storage tank (9), a liquid suction pipe (17) of the water pump (16) extends to the inner bottom of the storage tank (9), a pipeline (19) is rotatably connected to the upper end of the storage tank (9), the upper end of the pipeline (19) is rotatably connected with a conveying pipe (18) of the water pump (16) through a rotary joint, the lower end of the pipeline (19) extends to a spraying pipe (20) fixedly connected to the inside of the storage tank (9), and a plurality of uniformly distributed first nozzles (21) are fixedly installed at the lower end of the spraying pipe (20).

4. The apparatus for preventing flash in a reaction kettle according to claim 3, wherein two second nozzles (23) are fixedly connected to the side walls of both ends of the spray pipe (20) and spirally distributed.

5. The device for preventing the overflow of the reaction kettle as recited in claim 1, wherein the outer wall of the two gears (8) is sleeved with a protective cover.

6. The reactor overflow preventing device as claimed in claim 1, wherein the side wall of the lower end of the storage tank (9) is provided with a drain pipe (11), and a valve is fixedly arranged on the side wall of the drain pipe (11).

7. An arrangement for preventing reactor flash according to claim 1, characterized in that the side walls of the storage tank (9) are provided with transparent viewing strips (22).